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Finding the Fourth Proportional to 695.69, 960.53 and 535.92

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Solution

The fourth proportional to 695.69, 960.53 and 535.92 is: 739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    695.69 : 960.53 = 535.92 : x
  2. Step 2: Convert to fraction form
    695.69/960.53 = 535.92/x
  3. Step 3: Cross multiply
    695.69x = 960.53 × 535.92
  4. Step 4: Simplify right side
    695.69x = 514,760.96
  5. Step 5: Solve for x
    x = 514,760.96/695.69
  6. Step 6: Final answer
    x = 739.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.